A kilowatt-hour (kWh) is a unit of energy: the amount used by a 1,000-watt appliance running for 1 hour. Your electricity bill charges you per kWh.

What is the average electricity rate?

US average: ~$0.12–0.18/kWh. UK: ~20–30p/kWh. Australia: ~28–40c/kWh. UAE: ~5–38 fils/kWh. Check your bill for your exact rate.

Which appliances use the most electricity?

The biggest consumers are typically: electric water heaters, air conditioners/heaters, electric ovens, tumble dryers, and refrigerators. Smaller appliances matter less individually.

Electricity Cost Calculator

The Electricity Cost Calculator estimates how much it costs to run any electrical appliance based on its power rating, how long it runs each day, and your electricity tariff. Understanding your appliance costs helps you identify which devices are driving your electricity bill — and where you can save.

Appliance Power(watts)

Hours Used per Day(hours)

Days per Month(days)

Electricity Rate($/kWh)

Frequently Asked Questions

Cost = (Watts ÷ 1000) × Hours per day × Days per month × Rate per kWh. For example: 1,500 W electric heater, 2 hours/day, 30 days, at $0.25/kWh = 1.5 × 2 × 30 × 0.25 = $22.50/month.

Related Calculators

🧮Carbon Footprint Calculator 🧮Fuel Cost Calculator 🧮Unit Price Calculator